1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
from ansible import errors, runner
import json
import pdb
def oo_pdb(arg):
''' This pops you into a pdb instance where arg is the data passed in from the filter.
Ex: "{{ hostvars | oo_pdb }}"
'''
pdb.set_trace()
return arg
def oo_len(arg):
''' This returns the length of the argument
Ex: "{{ hostvars | oo_len }}"
'''
return len(arg)
def get_attr(data, attribute=None):
''' This looks up dictionary attributes of the form a.b.c and returns the value.
Ex: data = {'a': {'b': {'c': 5}}}
attribute = "a.b.c"
returns 5
'''
if not attribute:
raise errors.AnsibleFilterError("|failed expects attribute to be set")
ptr = data
for attr in attribute.split('.'):
ptr = ptr[attr]
return ptr
def oo_collect(data, attribute=None, filters={}):
''' This takes a list of dict and collects all attributes specified into a list
If filter is specified then we will include all items that match _ALL_ of filters.
Ex: data = [ {'a':1, 'b':5, 'z': 'z'}, # True, return
{'a':2, 'z': 'z'}, # True, return
{'a':3, 'z': 'z'}, # True, return
{'a':4, 'z': 'b'}, # FAILED, obj['z'] != obj['z']
]
attribute = 'a'
filters = {'z': 'z'}
returns [1, 2, 3]
'''
if not issubclass(type(data), list):
raise errors.AnsibleFilterError("|failed expects to filter on a List")
if not attribute:
raise errors.AnsibleFilterError("|failed expects attribute to be set")
if filters:
retval = [get_attr(d, attribute) for d in data if all([ d[key] == filters[key] for key in filters ]) ]
else:
retval = [get_attr(d, attribute) for d in data]
return retval
def oo_select_keys(data, keys):
''' This returns a list, which contains the value portions for the keys
Ex: data = { 'a':1, 'b':2, 'c':3 }
keys = ['a', 'c']
returns [1, 3]
'''
if not issubclass(type(data), dict):
raise errors.AnsibleFilterError("|failed expects to filter on a Dictionary")
if not issubclass(type(keys), list):
raise errors.AnsibleFilterError("|failed expects first param is a list")
# Gather up the values for the list of keys passed in
retval = [data[key] for key in keys]
return retval
class FilterModule (object):
def filters(self):
return {
"oo_select_keys": oo_select_keys,
"oo_collect": oo_collect,
"oo_len": oo_len,
"oo_pdb": oo_pdb
}
|
